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Cheap flights from St. Louis to Quebec from C$ 227

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YUL
26 Feb — 5 Mar1
1 adult

Cheap flight deals from St. Louis to Quebec

Keep the following information in mind while searching for St. Louis to Quebec flight deals. Data was last updated 21 February 2025.

Round-trip from

C$ 402

One-way from

C$ 227

Popular in

June

Cheapest in

November

Average price

C$ 1,068
10/4-13/4
  • 10/4-13/4
  • 3 total stops
  • 31h 15m total
  • St. Louis to Quebec
Search Deals
Air Canada
  • Air Canada
  • 5/4
  • 2 total stops
  • 9h 11m total
  • St. Louis to Quebec
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find flight deals from St. Louis to Quebec

Cheapest flights from St. Louis to Quebec
Explore the most affordable flight options available from St. Louis to Quebec. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Thu 10/46:11 p.m.STL - YUL
1 stop19h 44mMultiple Airlines
Sun 13/46:45 a.m.YUL - STL
2 stops11h 31mMultiple Airlines
Deal found 20/2C$ 402
Wed 5/33:50 p.m.STL - YQB
1 stop6h 16mAir Canada
Wed 12/310:30 a.m.YQB - STL
1 stop5h 36mAir Canada
Deal found 19/2C$ 634
Mon 31/36:10 a.m.STL - YUL
1 stop9h 18mDelta
Mon 7/46:00 a.m.YUL - STL
1 stop9h 46mDelta
Deal found 20/2C$ 635
Wed 5/37:05 a.m.STL - YQB
2 stops15h 01mMultiple Airlines
Wed 12/36:45 a.m.YQB - STL
2 stops9h 21mMultiple Airlines
Deal found 19/2C$ 655
Sun 6/41:12 p.m.STL - YQB
2 stops19h 13mUnited Airlines
Sun 13/410:30 a.m.YQB - STL
1 stop5h 19mUnited Airlines
Deal found 20/2C$ 680
Fri 4/45:00 p.m.STL - YUL
1 stop15h 50mAmerican Airlines
Sat 5/412:30 p.m.YUL - STL
1 stop10h 42mAmerican Airlines
Deal found 20/2C$ 696
Fri 2/55:29 p.m.STL - YUL
2 stops22h 29mUnited Airlines
Sun 4/56:40 p.m.YUL - STL
1 stop22h 07mUnited Airlines
Deal found 20/2C$ 788
Fri 2/51:30 p.m.STL - YUL
Nonstop2h 30mAir Canada
Sun 4/56:10 p.m.YUL - STL
Nonstop2h 51mAir Canada
Deal found 20/2C$ 811
Thu 24/412:51 p.m.STL - YUL
2 stops10h 48mWestJet
Wed 30/46:45 a.m.YUL - STL
2 stops14h 54mWestJet
Deal found 20/2C$ 1,020

Find flights from St. Louis to Quebec within your budget

Customize your flight search to find flights from St. Louis to Quebec that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 21 February 2025.

Fly from

St. Louis

Fly to

Quebec

Route

Depart

Return

Price

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Thu 10/4

6:11 p.m.-2:55 p.m.

1 stop19h 44m

Montreal Pierre Elliott Trudeau Intl

Sun 13/4

6:45 a.m.-5:16 p.m.

2 stops11h 31m

C$ 402

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 5/3

3:50 p.m.-11:06 p.m.

1 stop6h 16m

Québec City

Wed 12/3

10:30 a.m.-3:06 p.m.

1 stop5h 36m

C$ 634

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 31/3

6:10 a.m.-4:28 p.m.

1 stop9h 18m

Montreal Pierre Elliott Trudeau Intl

Mon 7/4

6:00 a.m.-2:46 p.m.

1 stop9h 46m

C$ 635

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Wed 5/3

7:05 a.m.-11:06 p.m.

2 stops15h 01m

Québec City

Wed 12/3

6:45 a.m.-3:06 p.m.

2 stops9h 21m

C$ 655

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sun 6/4

1:12 p.m.-9:25 a.m.

2 stops19h 13m

Québec City

Sun 13/4

10:30 a.m.-2:49 p.m.

1 stop5h 19m

C$ 680

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Fri 4/4

5:00 p.m.-9:50 a.m.

1 stop15h 50m

Montreal Pierre Elliott Trudeau Intl

Sat 5/4

12:30 p.m.-10:12 p.m.

1 stop10h 42m

C$ 696

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Fri 2/5

5:29 p.m.-4:58 p.m.

2 stops22h 29m

Montreal Pierre Elliott Trudeau Intl

Sun 4/5

6:40 p.m.-3:47 p.m.

1 stop22h 07m

C$ 788

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Fri 2/5

1:30 p.m.-5:00 p.m.

Nonstop2h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 4/5

6:10 p.m.-8:01 p.m.

Nonstop2h 51m

C$ 811

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Thu 24/4

12:51 p.m.-12:39 a.m.

2 stops10h 48m

Montreal Pierre Elliott Trudeau Intl

Wed 30/4

6:45 a.m.-8:39 p.m.

2 stops14h 54m

C$ 1,020

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Sat 5/4

8:00 a.m.-6:11 p.m.

2 stops9h 11m

C$ 227

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/2

Showing 1-10 of 15 results
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Best time to book a flight from St. Louis to Quebec

Have a flexible travel schedule? Discover the best time to fly to Quebec from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from St. Louis to Quebec

Get recent, data-driven insights about flights from St. Louis to Quebec including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from St. Louis to Quebec?

Currently, October is the cheapest month in which you can book a flight from St. Louis to Quebec (average of C$ 241). Flying from St. Louis to Quebec in March is currently the most expensive (average of C$ 345). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Quebec by month

Plan your trip to Quebec by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Quebec ranges from 64.0 - 111.0 mm per month. August is typically the wettest month, when rainfall can reach 111.0 mm. February is typically the driest time to visit Quebec when rainfall is around 64.0 mm.

Temperature in Quebec by month

Plan your trip to Quebec by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Quebec, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

Reviews of airlines servicing Quebec

Get insights into the airlines that provide service to Quebec. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Quebec. Reviews last updated 21 February 2025.
Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from St. Louis to Quebec by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews
Check prices

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet
7.2
Good
2,801 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada
7.0
Good
8,748 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Quebec. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Quebec?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Quebec. It is only a 20.4 km journey to Lambert-St Louis (STL) from St. Louis’s city centre.

  • What are the cheapest airlines to fly from St. Louis to Quebec one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at C$ 227. Delta flights start at C$ 273 while deals on United Airlines start at C$ 358 one-way.

  • Can I find deals for flights from St. Louis to Quebec that include hotel bookings?

    Yes. In addition to deals on St. Louis to Quebec flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Quebec?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Quebec.

  • Can I find deals for business class flights from St. Louis to Quebec?

    Yes. Cheapflights offers flight deals from St. Louis to Quebec by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Quebec?

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Quebec (average of C$ 241). Flying from St. Louis to Quebec in March is currently the most expensive (average of C$ 345). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for St. Louis to Quebec

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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Why should you use Cheapflights to find cheap flight tickets from St. Louis to Quebec?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from St. Louis to Quebec.

Can Cheapflights find flights from St. Louis to Quebec with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis to Quebec, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from St. Louis to Quebec become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Quebec from St. Louis today and book when prices fit your budget.

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